The LT-Z90 QuadSport, produced between 2007 and 2014, is an entry-level sport ATV designed for recreational use and younger riders. Building on a reputation for reliable and performance-oriented vehicles, the LT-Z90 features a 89 cc four-stroke, air-cooled engine, an automatic CVT transmission, and a chain drive system. Its engineering prioritizes ease of operation and dependable performance, making it a popular choice for aspiring ATV enthusiasts. The QuadSport's compact dimensions, including a wheelbase of 1,020 mm and a dry weight of 110 kg, contribute to its maneuverability and suitability for various terrains. This comprehensive manual serves as an essential guide for owners and technicians alike, covering the LT-Z90 QuadSport from 2007 through 2014. It provides detailed information on all major systems, including the powertrain, chassis, and electrical components, with specific attention to maintenance procedures, diagnostic troubleshooting, and repair instructions. Users will find step-by-step guidance for routine tasks such as oil changes and filter replacements, as well as more complex procedures like engine and transmission overhauls. The manual also includes technical specifications, safety guidelines, and illustrated instructions with exploded diagrams to ensure accurate and efficient upkeep of the vehicle.